Home / 932,953.70-1,397,972.53-649,198.65

Finding the Fourth Proportional to 932,953.70, 1,397,972.53 and 649,198.65

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Solution

The fourth proportional to 932,953.70, 1,397,972.53 and 649,198.65 is: 972,783.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,953.70 : 1,397,972.53 = 649,198.65 : x
  2. Step 2: Convert to fraction form
    932,953.70/1,397,972.53 = 649,198.65/x
  3. Step 3: Cross multiply
    932,953.70x = 1,397,972.53 × 649,198.65
  4. Step 4: Simplify right side
    932,953.70x = 907,561,879,213.09
  5. Step 5: Solve for x
    x = 907,561,879,213.09/932,953.70
  6. Step 6: Final answer
    x = 972,783.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.